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<h1>
	Apache Lucene - Overview
		</h1>
<div id="minitoc-area">
<ul class="minitoc">
<li>
<a href="#Apache Lucene">Apache Lucene</a>
</li>
<li>
<a href="#Lucene News">Lucene News</a>
<ul class="minitoc">
<li>
<a href="#18+February+2007+-+Lucene+at+ApacheCon+Europe">18 February 2007 - Lucene at ApacheCon Europe</a>
</li>
<li>
<a href="#17+February+2007+-+Release+2.1+available">17 February 2007 - Release 2.1 available</a>
</li>
<li>
<a href="#3+January+2007+-+Nightly+Source+builds+available">3 January 2007 - Nightly Source builds available</a>
</li>
<li>
<a href="#22+December+2006">22 December 2006</a>
</li>
<li>
<a href="#26+November+2006">26 November 2006</a>
</li>
<li>
<a href="#26+May+2006+-+Release+2.0.0+available">26 May 2006 - Release 2.0.0 available</a>
</li>
<li>
<a href="#2+March+2006+-+Release+1.9.1+available">2 March 2006 - Release 1.9.1 available</a>
</li>
<li>
<a href="#27+February+2006+-+1.9+final+available">27 February 2006 - 1.9 final available</a>
</li>
<li>
<a href="#26+January+2006+-+Nightly+builds+available">26 January 2006 - Nightly builds available</a>
</li>
<li>
<a href="#28+October+2005+-+Lucene+at+ApacheCon">28 October 2005 - Lucene at ApacheCon</a>
</li>
<li>
<a href="#14+February+2005+-+Lucene+moves+to+Apache+top-level">14 February 2005 - Lucene moves to Apache top-level</a>
</li>
<li>
<a href="#December+2004+-">December 2004 -
                    Lucene in Action
                    is published
                </a>
</li>
<li>
<a href="#29+November+2004+-+Lucene+1.4.3+Released">29 November 2004 - Lucene 1.4.3 Released</a>
</li>
</ul>
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</div>
        
<a name="N1001F"></a><a name="Apache Lucene"></a>
<h2 class="boxed">Apache Lucene</h2>
<div class="section">
<p>
                Apache Lucene is a high-performance, full-featured text search engine
                library written entirely in Java.  It is a technology suitable for nearly any
                application that requires full-text search, especially cross-platform.
            </p>
<p>
                Apache Lucene is an open source project available for
                <a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">free download</a>.
                Please use the links on the left to access Lucene.
            </p>
</div>

        
<a name="N10030"></a><a name="Lucene News"></a>
<h2 class="boxed">Lucene News</h2>
<div class="section">
<a name="N10036"></a><a name="18+February+2007+-+Lucene+at+ApacheCon+Europe"></a>
<h3 class="boxed">18 February 2007 - Lucene at ApacheCon Europe</h3>
<p>
              
<a href="http://www.eu.apachecon.com"><img alt="ApacheCon Europe logo" src="http://www.apache.org/ads/ApacheCon/2007-europe-125x125.png" style="float: left; padding: 3px;"></a>
              Lucene Java and related <a href="http://lucene.apache.org/">Lucene</a> projects will have extensive representation at <a href="http://www.eu.apachecon.com">ApacheCon Europe</a> in Amsterdam this year. For the 2007 session,
              Yonik Seeley will be giving the <a href="http://www.eu.apachecon.com/program/talk/11">Full-Text Search with Lucene</a> talk at 10:30 am on May 2nd.  Immediately following, Grant Ingersoll
              will be presenting <a href="http://www.eu.apachecon.com/program/talk/12">Advanced Lucene</a> at 11:30.  Grant will also be leading a full day tutorial session on May 1st titled
              <a href="http://www.eu.apachecon.com/program/talk/127">Lucene Boot Camp</a>.
            </p>
<p>Lucene related talks include Solr committer Bertrand Delacr&eacute;taz's talk titled <a href="http://www.eu.apachecon.com/program/talk/34">Beyond full-text searches with Solr and Lucene</a> and
              Hadoop committer Owen O'Malley's <a href="http://www.eu.apachecon.com/program/talk/36">Introduction to Hadoop</a>.
            </p>
<p>Registration is now open on the ApacheCon website.</p>
<a name="N10069"></a><a name="17+February+2007+-+Release+2.1+available"></a>
<h3 class="boxed">17 February 2007 - Release 2.1 available</h3>
<p>This release has many improvements since release
              2.0, including new features, performance
              improvements, bug fixes, etc. See
              <a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_2_1_0/CHANGES.txt">CHANGES.txt</a>
              for details.
            </p>
<p>Lucene 2.1 includes index format changes that are not readable
              by older versions of Lucene.  Lucene 2.1 can both read and update
              older Lucene indexes.  Adding to an index with an older format
              will cause it to be converted to the newer format.
            </p>
<p>Binary and source distributions are
              available
              <a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">here</a>.
            </p>
<a name="N10081"></a><a name="3+January+2007+-+Nightly+Source+builds+available"></a>
<h3 class="boxed">3 January 2007 - Nightly Source builds available</h3>
<p>Nightly source builds of the current development version of Lucene
                    are now available at
                    <a href="http://people.apache.org/builds/lucene/java/nightly/">http://people.apache.org/builds/lucene/java/nightly/</a>.  Files are named lucene-DATE-src.tar.gz where DATE is the date of the build.
                </p>
<a name="N1008F"></a><a name="22+December+2006"></a>
<h3 class="boxed">22 December 2006</h3>
<p>The Lucene Java main site is now based on the nightly build of the documentation contained in Subversion.
                    The <a href="api/">API documentation</a> is also
                    based on the nightly build of the source.  Previous released versions of this site (including API references) are available
                    under the "Site Versions" menu item on the left.
                </p>
<a name="N1009D"></a><a name="26+November+2006"></a>
<h3 class="boxed">26 November 2006</h3>
<p>New <a href="http://forrest.apache.org">Forrest</a> based site released.  The Lucene Java website now has a consistent look and feel with its <a href="http://lucene.apache.org">Lucene</a> siblings.
	    </p>
<a name="N100AE"></a><a name="26+May+2006+-+Release+2.0.0+available"></a>
<h3 class="boxed">26 May 2006 - Release 2.0.0 available</h3>
<p>This is mostly a bugfix release from release 1.9.1.
                    Note however that deprecated 1.x features have now
                    been removed. Any code that compiles against Lucene
                    1.9.1 without deprecation warnings should work without
                    further changes with any 2.x release. For more
                    information about this release, please read
                    <a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_2_0_0/CHANGES.txt">
                        CHANGES.txt</a>
                    .
                </p>
<p>Binary and source distributions are
                    available
                    <a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">here</a>
                    .
                </p>
<a name="N100C3"></a><a name="2+March+2006+-+Release+1.9.1+available"></a>
<h3 class="boxed">2 March 2006 - Release 1.9.1 available</h3>
<p>This fixes a serious bug in release 1.9-final.
                    <a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_1_9_1/CHANGES.txt">
                        CHANGES.txt</a>
                    for details.
                </p>
<p>Binary and source distributions are
                    available
                    <a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">here</a>
                    .
                </p>
<a name="N100D8"></a><a name="27+February+2006+-+1.9+final+available"></a>
<h3 class="boxed">27 February 2006 - 1.9 final available</h3>
<p>This release has many improvements since release
                    1.4.3, including new features, performance
                    improvements, bug fixes, etc. See
                    <a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_1_9_final/CHANGES.txt">
                        CHANGES.txt</a>
                    for details.
                </p>
<p>1.9 will be the last 1.x release. It is both
                    back-compatible with 1.4.3 and forward-compatible with
                    the upcoming 2.0 release. Many methods and classes in
                    1.4.3 have been deprecated in 1.9 and will be removed
                    in 2.0. Applications must compile against 1.9 without
                    deprecation warnings before they are compatible with
                    2.0.</p>
<p>Binary and source distributions are
                    available
                    <a href="http://www.apache.org/dyn/closer.cgi/lucene/java/">here</a>
                    .
                </p>
<a name="N100F0"></a><a name="26+January+2006+-+Nightly+builds+available"></a>
<h3 class="boxed">26 January 2006 - Nightly builds available</h3>
<p>Nightly builds of the current development version of Lucene, to be released as Lucene 1.9,
                    are now available at
                    <a href="http://cvs.apache.org/dist/lucene/java/nightly/">
                        http://cvs.apache.org/dist/lucene/java/nightly/</a>
                    .
                </p>
<a name="N100FE"></a><a name="28+October+2005+-+Lucene+at+ApacheCon"></a>
<h3 class="boxed">28 October 2005 - Lucene at ApacheCon</h3>
<p>
                    
<a href="http://www.apachecon.com">
                        <img src="http://apachecon.com/2005/US/logos/Conference135x59.jpg">
                    </a>
                
</p>
<p>Monday, December 12, 2005 at 3pm by Grant Ingersoll:
                    <br>
                    Abstract:
                    <br>
                    Lucene is a high performance, scalable, cross-platform search engine that contains many advanced
                    features that often go untapped by the majority of users. In this session, designed for those
                    familiar with Lucene, we will examine some of Lucene's more advanced topics and their application,
                    including:
                </p>
<ol>
                    
<li>Term Vectors: Manual and Pseudo relevance feedback; Advanced document collection analysis for
                        domain specialization</li>
                    
<li>Span Queries: Better phrase matching; Candidate Identification for Question Answering</li>
                    
<li>Tying it all Together: Building a search framework for experimentation and rapid deployment</li>
                    
<li>Case Studies from
                        <a href="http://www.cnlp.org">CNLP</a>
                        : Crosslingual/multilingual retrieval in Arabic, English and Dutch;
                        Sublanguage specialization for commercial trouble ticket analysis; Passage retrieval and
                        analysis for Question Answering application
                    </li>
                
</ol>
<p>Topics 1 through 3 will provide technical details on implementing the advanced Lucene features, while
                    the fourth topic will provide a broader context for understanding when and where to use these
                    features.
                </p>
<a name="N1012C"></a><a name="14+February+2005+-+Lucene+moves+to+Apache+top-level"></a>
<h3 class="boxed">14 February 2005 - Lucene moves to Apache top-level</h3>
<p>Lucene has migrated from Apache's Jakarta project to the top-level. Along with this migration,
                    the source code repository has been converted to Subversion. The migration is in progress with
                    some loose ends. Please stay tuned!
                </p>
<a name="N10136"></a><a name="December+2004+-"></a>
<h3 class="boxed">December 2004 -
                    Lucene in Action
                    is published
                </h3>
<a href="http://www.lucenebook.com/">
                    <img align="left" border="0" src="images/lia_3d.jpg">
                </a>
<p>The first book dedicated solely to Lucene is published. The
                    "search inside the book" feature implemented with Lucene can
                    be seen at
                    <a href="http://www.lucenebook.com/">lucenebook.com</a>
                    .
                </p>
<p style="clear: both;"></p>
<a name="N10153"></a><a name="29+November+2004+-+Lucene+1.4.3+Released"></a>
<h3 class="boxed">29 November 2004 - Lucene 1.4.3 Released</h3>
<p>This fixes a few bugs in 1.4.2. See
                    <a href="http://svn.apache.org/repos/asf/lucene/java/tags/lucene_1_4_3/CHANGES.txt">
                        CHANGES.txt</a>
                    for details. Binary and source distributions are
                    available
                    <a href="http://www.apache.org/dyn/closer.cgi/lucene/">here</a>
                    . After choosing your mirror, navigate to the archive section via the java link.
                </p>
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